package org.zcl.config;

import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.zcl.config.mybatis.MybatisMetaObjectHandler;
import org.zcl.config.mybatis.SqlInjectorPlus;

/**
 * @author zhuchenglin
 * @since 2022/9/1 16:18
 */
@Configuration
public class MybatisPlusConfig {

    @Bean
    public MybatisMetaObjectHandler metaObjectHandler() {
        return new MybatisMetaObjectHandler();
    }

    @Bean
    public SqlInjectorPlus sqlInjectorPlus() {
        return new SqlInjectorPlus();
    }

    @Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
        // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求
        // 默认false 为false时 会返回空数据
        paginationInterceptor.setOverflow(true);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        // paginationInterceptor.setLimit(500);
        // 开启 count 的 join 优化,只针对部分 left join
        return paginationInterceptor;
    }
}
